Finding the Fourth Proportional to 124,872.22, 173,486.03 and 123,377.55

Step by Step Solution

1. Step 1: Write the proportion equation
   124,872.22 : 173,486.03 = 123,377.55 : x
2. Step 2: Convert to fraction form
   124,872.22/173,486.03 = 123,377.55/x
3. Step 3: Cross multiply
   124,872.22x = 173,486.03 × 123,377.55
4. Step 4: Simplify right side
   124,872.22x = 21,404,280,073.17
5. Step 5: Solve for x
   x = 21,404,280,073.17/124,872.22
6. Step 6: Final answer
   x = 171,409.46